{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127745",
    "entityType": "User",
    "nonce": "0xe0f9d61f7841749c8a9267067e2a62d34dfb3b00a42ca0d531b44667dbefd818",
    "signature": "0x0c7e702a4182fae57cfcf1d94d43f3f24b5c3f854c3d09cc8528d5ec4bcf6a74209fedfcdd2a5af0d9948f9504b1b429a9c7ef947d406ac519e722124ce9be521c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}